at irregular intervals
不定期地,不定期的,不定期,不定期举行
Synonyms & Antonyms
as inon and off
Synonyms
alternately交替进行,交替,交替出现,交替使用fluctuating波动的,波动,起伏不定的,波动不定的inconstantly不停地,不断地,不停的,不停infrequently罕见地,很少,不常有,不常intermittently断断续续地,间歇性地,间歇地,断断续续irregularly不定期,不定期地,不规则地,不规则的not often不经常,不常有,不时,不常now and then时不时地,间或,时而,时不时off and on关闭和开启,关和开,关闭和打开,关与开on-and-off开关,开关机,开关式,开关的sometimes有时,有时候,有的时候,偶尔sporadically零星地,零星的,零散地,零星uncertainly不确定,不确定地,不确定的,不明确variable变量,变数,变动,变异very seldom很少,很少见,很少有,非常少when the mood strikes心血来潮时,心情好的时候,心血来潮的时候,心情好时
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